Theodore Haviland died in 1919. Control of Theodore Haviland, Limoges was left to Theodore's son, William. In 1941, Theodore Haviland, Limoges won exclusive rights to the Haviland & Co. name and backstamps. The two companies would again be one. Concerned by the state of the European financial markets, William decided to move part of his production facilities to Pennsylvania. The factory was opened in 1942. From 1942-1957, several of Haviland's most popular patterns were produced in the United States. Such patterns include, Apple Blossom, Arbor, Varenne, and Clinton.